8/18/2019 Perhitungan Alt Jpt
1/32
CARA PERHITUNGAN ALT
8/18/2019 Perhitungan Alt Jpt
2/32
10 -1
10 0
10 -2
10 -3
8/18/2019 Perhitungan Alt Jpt
3/32
1. a. Σ KOLONI : 30-300b. HANYA DATA 1 PENGENCERAN : 30-300
ALT : Σ KOLONI × FAKTORPENGENCERAN
Contoh :10 -2 : >30010 -3 : 175
10-
: 1!ALT " 175#10 3
" 1$0#10 3 " 1%$#10 5 CFU
8/18/2019 Perhitungan Alt Jpt
4/32
2. ADA 2 PENGENCERAN DENGANΣ KOLONI : 30-300
2 :
≤ 2 & RATA-RATA>2 & GUNAKAN 'ATA PENGENCERAN (G
PERTA)AContoh :*+, 10 -2 : >300
10 -3 : 22
10-
: 30
SEBELUMNYA NPENGENCERAFAKTOR KOLONITINGGILEBIH NPENGENCERAFAKTOR KOLONI
×Σ
×Σ
34,1210.224
10.303
4
=
8/18/2019 Perhitungan Alt Jpt
5/32
ALT " .*22 #10 3 , / *30#10 ," 2!2000 " 2%!#10 5 CFU
* , 10 -2 : >30010 -3 : 2 010 - : 50
ALT " +t+ 4n 4n64 +n 4 t+8+" 2 0#10 3 " 2% #10 5 CFU
083,22
10.240
10.503
4
=≥
8/18/2019 Perhitungan Alt Jpt
6/32
3. SEMUA DATA PETRIDISH
8/18/2019 Perhitungan Alt Jpt
7/32
8/18/2019 Perhitungan Alt Jpt
8/32
&. SPREADER
• Ko;on< =4 4 t< +nt+< =+;
8/18/2019 Perhitungan Alt Jpt
9/32
Contoh :10 -2 : >300
10-3
: 2 510 - : 1 PREA'ERALT " 2 5#10 3
" 2%5#105
CFU
8/18/2019 Perhitungan Alt Jpt
10/32
'. SEMUA PETRI( KOLONI : 0ALT: 1 × FAKTOR PENGENCERAN*TEREN'AH,9
Contoh :10 -2 : 0
10-3
: 010 - : 0ALT " 1#10 2 9 CFU
8/18/2019 Perhitungan Alt Jpt
11/32
8/18/2019 Perhitungan Alt Jpt
12/32
8/18/2019 Perhitungan Alt Jpt
13/32
CONTOH OAL ALT
I II III I10 -2 : 5 7 230 1 1 2 2
10-3
: 173 3 52 101 13710 - : 1! 0 1 2 2!K : 0 0 1 0 0
H
8/18/2019 Perhitungan Alt Jpt
14/32
I, ALT " 1%7 #10 5 CFU
II, ALT "
" .*230#10 2 ,/*3 #10 3 , " 2$500" 2% # 10 CFU
III, 10 -2 : 1 1 -1 " 1 010 -3 : 52 -1 " 51
10 - : 1 -1 " 0
ALT " 1 0 #10 2 " 1% # 10 CFU
043,1210.230
10.342
3
=<
6842,2210.190
10.512
3
=>
8/18/2019 Perhitungan Alt Jpt
15/32
I ,
ALT " 2 # 10 2 " 2% # 10 CFU
,
ALT " 2 # 10 2 " 2%5 # 10 CFU
139,4210.244
10.1012
3
=>
5020,5210.249
10.132
3
=>
8/18/2019 Perhitungan Alt Jpt
16/32
1# '+ < 4n+n+8+n 0%1 8; =+8 4; +<< 4 o;4h +t+ o;on< =4 + +<4 < ?t :
10 -1 : 20/2 = 4+ 4 51310 -2 : 105 35110 -3 : 37 !710 - : 12 2 /1 = 4+ 410 -5 : 3 K : 2H
8/18/2019 Perhitungan Alt Jpt
17/32
2# P+ + 4n+n+8+n 0%5 8; =+8 4;%< 4 o;4h +t+ =4 + +< 4 < ?t :
10 0 : 50 30010 -1 : 101 $010 -2 : 3110 -3 : 5 2 K : 2
H
8/18/2019 Perhitungan Alt Jpt
18/32
+ + +n
1# ? ;# 1 ? ;#2 +t+2 *- K,
10 -1 : 22 513 !7%5 M 3 " ! %510 -2 : 105 351 22$ M 3 " 22510 -3 : 37 !7 52 M 3 "
10 - : 12 30 21 M 3 " 1$10 -5 : 3 3%5 M 3" 0%5
ALT " 225 # 10 2 " 2%3 # 10 B 0%1 8;" 2%3 # 10 5 CFUB 8;
1 8,2210.225
10.49 2
3
=>
8/18/2019 Perhitungan Alt Jpt
19/32
2# ? ;# 1 ? ;#2 +t+2 *- K,10 0 : 50 300 375 M 3 " 37210 -1 : 101 $0 0%5 M 3 " $7%510 -2 : 31 17%5 M 3 " 1 %5
10 -3 : 5 2 3%5 M 3 " 0%5
ALT " $7%5 # 10 1 " $%$ # 10 2 B 0%5 8;" 17%! # 10 2 CFUB 8;
" 1%$ # 103
CFUB 8;
8/18/2019 Perhitungan Alt Jpt
20/32
8/18/2019 Perhitungan Alt Jpt
21/32
CARA PERHITUNGAN PT
8/18/2019 Perhitungan Alt Jpt
22/32
1# L
8/18/2019 Perhitungan Alt Jpt
23/32
2#
8/18/2019 Perhitungan Alt Jpt
24/32
"
" 1!%! PTB100 8;*PE) ULATAN 1 ANGKA ELAKANG
KO)A,Contoh 10 1 0%1 8;P4n4 +=+n 0B1 1B3 1B3
PTB100 8; "
" " 15%7
8/18/2019 Perhitungan Alt Jpt
25/32
3# 4 < 4n 4n64 +n 4=
8/18/2019 Perhitungan Alt Jpt
26/32
# 3 =4 < 4n 4n64 +n 4=
8/18/2019 Perhitungan Alt Jpt
27/32
Contoh
1 0%1 0%01 0%001 0%0001 +83B3 2B3 0B3 0B3 0B33+3 2+3 0+3
PT " %3B +8 *t+ 4; 3,
1 0%1 0%01 0%001 0%0001 +8
3B3 3B3 2B3 1B3 1B33+3 2+3 2+3
PT " *t+ 4; 2,
8/18/2019 Perhitungan Alt Jpt
28/32
Contoh1 0%1 0%01 0%001 0%0001 +83B3 2B3 0B3 1B3 0B33+3 2+3 1+3
PT " 15B +8 *t+ 4; 3,
1 0%1 0%01 0%001 8;
0B3 1B3 0B3 0B30+3 1+3 0+3
8/18/2019 Perhitungan Alt Jpt
29/32
Contoh o+;
10 1 0%1 8; T# P4 < ++n 3B3 3B3 3B3
T# P4n4 +=+n 3B3 3B3 2B3 T# P4;4n + 3B3 3B3 2B3H
8/18/2019 Perhitungan Alt Jpt
30/32
1 0%1 0%01 0%001 +80B3 1B3 0B3 0B3H
8/18/2019 Perhitungan Alt Jpt
31/32
• Ko8
8/18/2019 Perhitungan Alt Jpt
32/32
5 0%5 0%05 0%005 0%0005 +8B5 5B5 0B5 1B5 0B5
H